Yes, "it" can be an adverb. In English, "it" can function as an adverb to indicate a location, time, or degree. For example, in the sentence "I put the book on the table," "on" is an adverb indicating location, and "it" can be used to replace "on" to form "I put the book it." Similarly, in the sentence "She ran quickly," "quickly" is an adverb indicating degree, and "it" can be used to replace "quickly" to form "She ran it." **

An adverb is a word that modifies a verb, an adjective, or another adverb. It often answers questions such as how, when, where, and to what extent. A preposition, on the other hand, is a word that shows the relationship between a noun or pronoun and other words in a sentence. It often indicates location, direction, time, or the relationship between two things. **

Without context, it is difficult to determine if "that" is being used as an adverb. "That" can be used as a demonstrative pronoun, adjective, or adverb depending on the sentence structure and the words it is modifying. For example, in the sentence "I didn't know that," "that" is used as a conjunction. However, in the sentence "She runs that fast," "that" is used as an adverb modifying the verb "runs." **

No, "alten" is not an adverb. It is actually the comparative form of the adjective "alt" in German, which means "old" in English. Adverbs typically modify verbs, adjectives, or other adverbs, but "alten" does not perform this function. Instead, it is used to compare the age of two things or people. **

An adjective is a word that describes or modifies a noun or pronoun, while an adverb is a word that describes or modifies a verb, adjective, or another adverb. Adjectives answer the question "What kind?" or "Which one?" while adverbs answer the questions "How?" "When?" "Where?" or "To what extent?" Adjectives typically come before the noun they describe, while adverbs can appear before or after the word they modify. **

To determine if a word is an adverb or an adjective, you need to look at its function in a sentence. Adverbs typically modify verbs, adjectives, or other adverbs, while adjectives modify nouns or pronouns. Adverbs often answer questions like how, when, where, or to what extent, while adjectives answer questions like what kind, which one, or how many. By analyzing the word's role in the sentence and its relationship to other words, you can determine if it is an adverb or an adjective. **

"Manchen" is an adverb in German. It is a relative adverb, which means it is used to indicate a certain degree or extent, similar to the English word "some." It is often used to modify adjectives or adverbs to indicate a certain amount or degree. For example, "manchen Menschen" means "some people" in English. **

A special adverb is an adverb that does not fit into the typical categories of adverbs such as manner, time, place, or frequency. These adverbs are unique in that they do not describe how, when, where, or how often an action is performed, but rather add a specific detail or nuance to the verb. Special adverbs can include words like "only," "even," "just," "almost," and "hardly," among others. They serve to provide additional information or emphasis to the verb in a sentence. **